Meanwhile, Galadriel, Elrond and Saruman arrive at Dol Guldur and free Gandalf, sending him to safety with Radagast. They battle and defeat the Nazgûl and Sauron himself, banishing them to the East. Azog, marching on Erebor with his vast Orc army, sends Bolg to Gundabad to summon their second army. Legolas and Tauriel witness the march of Bolg's army, bolstered by Orc Berserkers and giant bats.Thranduil and an elf army arrive in Dale and they form an alliance with Bard in order to re-claim white gems that are part of the Mountain treasure. Bard goes to the mountain and asks Thorin for the share of the gold that he had previously promised the people of Laketown,The Hobbit but Thorin refuses. Gandalf arrives at Dale to warn Bard and Thranduil of the threat posed by Azog, but Thranduil dismisses him. Bilbo sneaks out of Erebor to hand the Arkenstone over to Thranduil and Bard, so that they can trade it for the gems and gold they believe is theirs, preventing the need for a battle.